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Mathematics
Problem
5. Find the number of terms in each of the following APs : (i)
7
,
13
,
19
,
…
,
205
7,13,19, \ldots, 205
7
,
13
,
19
,
…
,
205
(ii)
18
,
15
1
2
,
13
,
…
,
−
47
18,15 \frac{1}{2}, 13, \ldots,-47
18
,
15
2
1
,
13
,
…
,
−
47
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